Torque distribution device, the torque distribution process, torque distribution value generation method and a program

Torque distribution device (100) includes a total torque command value acquiring unit that acquires the instructed torque value input (101), efficiency map acquiring unit that acquires motor efficiency map of mounting the motor (104) and (105), vehicle speed detecting section for detecting a vehicle speed of the vehicle equipped with the motor and (102a), the drive wheel rotation speed detecting section for detecting a drive wheel rotation speed of the driving wheels and (102b), based on the vehicle speed and the drive wheel rotation speed Te, slip ratio calculating section for calculating a slip ratio of the driving wheels (103), based on the slip ratio, to create a change in efficiency equation showing the efficiency value of the operating line showing the relationship between the driving wheel rotational speed and torque, the operation calculation unit for calculating a torque that optimizes efficiency of the efficiency change type line (106), the instructed torque, and, based on the optimum efficiency torque value, the torque distribution for each motor Comprises a distribution unit for calculating a value (107), based on the calculated torque distribution value, the control unit for the torque distribution control to each of the motor (108), the.